<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <meta name="Generator" content="EditPlus®">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <title>Dragon Ball</title>
 </head>
 <link rel="stylesheet" type="text/css" href="css/try.css">
 <body>
  <div class="settings">
  	设置墙壁弹性：<button class="btn decreace">-</button><input class="common-input" id="flexibility" value="0.5"><button class="btn increase">+</button>
    设置物体密度：<button class="btn decreace">-</button><input class="common-input" id="density" value="0.5"><button class="btn increase">+</button>
  </div>
  <div id="squre" class="squre">
	<div id="ball" class="ball">
		<div id="smallball" class="smallball">
			
		</div>
	</div>
  </div>
 </body>
 <script type="text/javascript" src="js/jquery.js"></script>
 <script type="text/javascript" src="js/try.js"></script>
</html>
